180k views
5 votes
Solve for X in the image.

Solve for X in the image.-example-1

2 Answers

3 votes

Answer:

45

Explanation:

User Mirko
by
7.5k points
6 votes

9514 1404 393

Answer:

(a) 45

Explanation:

The angle where the chords cross is half the sum of the subtended arcs:

(x +99)/2 = 72

x +99 = 144 . . . . . multiply by 2

x = 144 -99 . . . . . .subtract 99

x = 45

User Johngreen
by
7.1k points